EN
The objective of this study was accomplishes a knowledge survey of the Bororo indigenous on the mammals of natural occurrence in their territory, Meruri village, who is located in the Mato Grosso State, Brazil, in the Savannah biome, and also the relationship of the indigenous with these wild animals. As method for collect the data were used open and semi-structured interviews. Twenty-two indigenous were interviewed, both genres and different ages. The interviewees mentioned 37 species of mammals and they showed wide ecological knowledge regarding these animals. Such relationships are complex, being evidenced a mythical interaction between the man and the elements of nature. The oral transmission of knowledge occurs across generations.